A playable summoner in Final Fantasy IV. Found by Cecil Harvey in the ruins of her hometown, the hero takes it upon himself to take her to the nearest inn. Rydia is initally distrusting of Cecil, but eventually warms up to him as he goes on a quest to cure his beloved Rosa of a fatal fever.
After being knocked off a ship by Leviathan, Rydia is taken to the Feymarch, the Land of Summons, and discovers her full potential as a summoner. The warped time flow of the Feymarch causes Rydia to reach adulthood by the time she reunites with Cecil.